Inventor · Friedrichshafen, DE

Erich Sieger

5Patents
3h-index
5Co-inventors
46Inventor score

Filing activity: Oct 24, 1991 → Apr 8, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US5218849A Process and device for metal spinning Performing Operations; Transporting 23 Expired
US5426964A Method & apparatus for shaping a sheet blank Performing Operations; Transporting 16 Expired
US7243517B2 Method and device for deforming a workpiece made of a material having an exponential tensile stress-strain behavior into a thin-walled, hollow shell Performing Operations; Transporting 13 Expired
US6336306B1 Round-bale press and a method of compressing refuse Performing Operations; Transporting 3 Expired
US5784856A Round bale press for refuse and refuse packing devices with such a round bale press Performing Operations; Transporting 2 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.